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Contract OI history

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Nov 06, 2026 EXPIRATION

COHR $225.00 Put

COHR261106P00225000

Latest saved OI257Oct 23, 2026
Last change-44vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
COHR $225.00 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 3011500 2026-10-02: 48 OI2026-10-05: 48 OI2026-10-06: 97 OI2026-10-07: 97 OI2026-10-08: 97 OI2026-10-09: 96 OI2026-10-13: 142 OI2026-10-14: 142 OI2026-10-15: 131 OI2026-10-16: 148 OI2026-10-21: 301 OI2026-10-23: 257 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

COHR contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing257-44
Oct 21, 2026301+153
Oct 16, 2026148+17
Oct 15, 2026131-11
Oct 14, 20261420
Oct 13, 2026142+46
Oct 09, 202696-1
Oct 08, 2026970
Oct 07, 2026970
Oct 06, 202697+49
Oct 05, 2026480
Oct 02, 202648No prior observation